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-rw-r--r--arch/arm/mach-pxa/magician.c486
1 files changed, 475 insertions, 11 deletions
diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c
index d98ef7ada2f8..d70be75bd199 100644
--- a/arch/arm/mach-pxa/magician.c
+++ b/arch/arm/mach-pxa/magician.c
@@ -16,24 +16,106 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
+#include <linux/delay.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
+#include <linux/mfd/htc-egpio.h>
+#include <linux/mfd/htc-pasic3.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/map.h>
#include <linux/mtd/physmap.h>
+#include <linux/pda_power.h>
#include <asm/gpio.h>
#include <asm/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/arch/magician.h>
+#include <asm/arch/mfp-pxa27x.h>
#include <asm/arch/pxa-regs.h>
#include <asm/arch/pxafb.h>
+#include <asm/arch/i2c.h>
+#include <asm/arch/mmc.h>
#include <asm/arch/irda.h>
#include <asm/arch/ohci.h>
#include "generic.h"
+static unsigned long magician_pin_config[] = {
+
+ /* SDRAM and Static Memory I/O Signals */
+ GPIO20_nSDCS_2,
+ GPIO21_nSDCS_3,
+ GPIO15_nCS_1,
+ GPIO78_nCS_2, /* PASIC3 */
+ GPIO79_nCS_3, /* EGPIO CPLD */
+ GPIO80_nCS_4,
+ GPIO33_nCS_5,
+
+ /* I2C */
+ GPIO117_I2C_SCL,
+ GPIO118_I2C_SDA,
+
+ /* PWM 0 */
+ GPIO16_PWM0_OUT,
+
+ /* I2S */
+ GPIO28_I2S_BITCLK_OUT,
+ GPIO29_I2S_SDATA_IN,
+ GPIO31_I2S_SYNC,
+ GPIO113_I2S_SYSCLK,
+
+ /* SSP 2 */
+ GPIO19_SSP2_SCLK,
+ GPIO14_SSP2_SFRM,
+ GPIO89_SSP2_TXD,
+ GPIO88_SSP2_RXD,
+
+ /* MMC */
+ GPIO32_MMC_CLK,
+ GPIO92_MMC_DAT_0,
+ GPIO109_MMC_DAT_1,
+ GPIO110_MMC_DAT_2,
+ GPIO111_MMC_DAT_3,
+ GPIO112_MMC_CMD,
+
+ /* LCD */
+ GPIO58_LCD_LDD_0,
+ GPIO59_LCD_LDD_1,
+ GPIO60_LCD_LDD_2,
+ GPIO61_LCD_LDD_3,
+ GPIO62_LCD_LDD_4,
+ GPIO63_LCD_LDD_5,
+ GPIO64_LCD_LDD_6,
+ GPIO65_LCD_LDD_7,
+ GPIO66_LCD_LDD_8,
+ GPIO67_LCD_LDD_9,
+ GPIO68_LCD_LDD_10,
+ GPIO69_LCD_LDD_11,
+ GPIO70_LCD_LDD_12,
+ GPIO71_LCD_LDD_13,
+ GPIO72_LCD_LDD_14,
+ GPIO73_LCD_LDD_15,
+ GPIO74_LCD_FCLK,
+ GPIO75_LCD_LCLK,
+ GPIO76_LCD_PCLK,
+ GPIO77_LCD_BIAS,
+
+ /* QCI */
+ GPIO12_CIF_DD_7,
+ GPIO17_CIF_DD_6,
+ GPIO50_CIF_DD_3,
+ GPIO51_CIF_DD_2,
+ GPIO52_CIF_DD_4,
+ GPIO53_CIF_MCLK,
+ GPIO54_CIF_PCLK,
+ GPIO55_CIF_DD_1,
+ GPIO81_CIF_DD_0,
+ GPIO82_CIF_DD_5,
+ GPIO84_CIF_FV,
+ GPIO85_CIF_LV,
+};
+
/*
* IRDA
*/
@@ -83,8 +165,64 @@ static struct platform_device gpio_keys = {
.id = -1,
};
+
+/*
+ * EGPIO (Xilinx CPLD)
+ *
+ * 7 32-bit aligned 8-bit registers: 3x output, 1x irq, 3x input
+ */
+
+static struct resource egpio_resources[] = {
+ [0] = {
+ .start = PXA_CS3_PHYS,
+ .end = PXA_CS3_PHYS + 0x20,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = gpio_to_irq(GPIO13_MAGICIAN_CPLD_IRQ),
+ .end = gpio_to_irq(GPIO13_MAGICIAN_CPLD_IRQ),
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct htc_egpio_chip egpio_chips[] = {
+ [0] = {
+ .reg_start = 0,
+ .gpio_base = MAGICIAN_EGPIO(0, 0),
+ .num_gpios = 24,
+ .direction = HTC_EGPIO_OUTPUT,
+ .initial_values = 0x40, /* EGPIO_MAGICIAN_GSM_RESET */
+ },
+ [1] = {
+ .reg_start = 4,
+ .gpio_base = MAGICIAN_EGPIO(4, 0),
+ .num_gpios = 24,
+ .direction = HTC_EGPIO_INPUT,
+ },
+};
+
+static struct htc_egpio_platform_data egpio_info = {
+ .reg_width = 8,
+ .bus_width = 32,
+ .irq_base = IRQ_BOARD_START,
+ .num_irqs = 4,
+ .ack_register = 3,
+ .chip = egpio_chips,
+ .num_chips = ARRAY_SIZE(egpio_chips),
+};
+
+static struct platform_device egpio = {
+ .name = "htc-egpio",
+ .id = -1,
+ .resource = egpio_resources,
+ .num_resources = ARRAY_SIZE(egpio_resources),
+ .dev = {
+ .platform_data = &egpio_info,
+ },
+};
+
/*
- * LCD - Toppoly TD028STEB1
+ * LCD - Toppoly TD028STEB1 or Samsung LTP280QV
*/
static struct pxafb_mode_info toppoly_modes[] = {
@@ -103,12 +241,99 @@ static struct pxafb_mode_info toppoly_modes[] = {
},
};
+static struct pxafb_mode_info samsung_modes[] = {
+ {
+ .pixclock = 96153,
+ .bpp = 16,
+ .xres = 240,
+ .yres = 320,
+ .hsync_len = 8,
+ .vsync_len = 4,
+ .left_margin = 9,
+ .upper_margin = 4,
+ .right_margin = 9,
+ .lower_margin = 4,
+ .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ },
+};
+
+static void toppoly_lcd_power(int on, struct fb_var_screeninfo *si)
+{
+ pr_debug("Toppoly LCD power\n");
+
+ if (on) {
+ pr_debug("on\n");
+ gpio_set_value(EGPIO_MAGICIAN_TOPPOLY_POWER, 1);
+ gpio_set_value(GPIO106_MAGICIAN_LCD_POWER_3, 1);
+ udelay(2000);
+ gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 1);
+ udelay(2000);
+ /* FIXME: enable LCDC here */
+ udelay(2000);
+ gpio_set_value(GPIO104_MAGICIAN_LCD_POWER_1, 1);
+ udelay(2000);
+ gpio_set_value(GPIO105_MAGICIAN_LCD_POWER_2, 1);
+ } else {
+ pr_debug("off\n");
+ msleep(15);
+ gpio_set_value(GPIO105_MAGICIAN_LCD_POWER_2, 0);
+ udelay(500);
+ gpio_set_value(GPIO104_MAGICIAN_LCD_POWER_1, 0);
+ udelay(1000);
+ gpio_set_value(GPIO106_MAGICIAN_LCD_POWER_3, 0);
+ gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 0);
+ }
+}
+
+static void samsung_lcd_power(int on, struct fb_var_screeninfo *si)
+{
+ pr_debug("Samsung LCD power\n");
+
+ if (on) {
+ pr_debug("on\n");
+ if (system_rev < 3)
+ gpio_set_value(GPIO75_MAGICIAN_SAMSUNG_POWER, 1);
+ else
+ gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 1);
+ mdelay(10);
+ gpio_set_value(GPIO106_MAGICIAN_LCD_POWER_3, 1);
+ mdelay(10);
+ gpio_set_value(GPIO104_MAGICIAN_LCD_POWER_1, 1);
+ mdelay(30);
+ gpio_set_value(GPIO105_MAGICIAN_LCD_POWER_2, 1);
+ mdelay(10);
+ } else {
+ pr_debug("off\n");
+ mdelay(10);
+ gpio_set_value(GPIO105_MAGICIAN_LCD_POWER_2, 0);
+ mdelay(30);
+ gpio_set_value(GPIO104_MAGICIAN_LCD_POWER_1, 0);
+ mdelay(10);
+ gpio_set_value(GPIO106_MAGICIAN_LCD_POWER_3, 0);
+ mdelay(10);
+ if (system_rev < 3)
+ gpio_set_value(GPIO75_MAGICIAN_SAMSUNG_POWER, 0);
+ else
+ gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 0);
+ }
+}
+
static struct pxafb_mach_info toppoly_info = {
- .modes = toppoly_modes,
- .num_modes = 1,
- .fixed_modes = 1,
- .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
- .lccr3 = LCCR3_PixRsEdg,
+ .modes = toppoly_modes,
+ .num_modes = 1,
+ .fixed_modes = 1,
+ .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
+ .lccr3 = LCCR3_PixRsEdg,
+ .pxafb_lcd_power = toppoly_lcd_power,
+};
+
+static struct pxafb_mach_info samsung_info = {
+ .modes = samsung_modes,
+ .num_modes = 1,
+ .fixed_modes = 1,
+ .lccr0 = LCCR0_LDDALT | LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
+ .lccr3 = LCCR3_PixFlEdg,
+ .pxafb_lcd_power = samsung_lcd_power,
};
/*
@@ -120,9 +345,18 @@ static void magician_set_bl_intensity(int intensity)
if (intensity) {
PWM_CTRL0 = 1;
PWM_PERVAL0 = 0xc8;
- PWM_PWDUTY0 = intensity;
+ if (intensity > 0xc7) {
+ PWM_PWDUTY0 = intensity - 0x48;
+ gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 1);
+ } else {
+ PWM_PWDUTY0 = intensity;
+ gpio_set_value(EGPIO_MAGICIAN_BL_POWER2, 0);
+ }
+ gpio_set_value(EGPIO_MAGICIAN_BL_POWER, 1);
pxa_set_cken(CKEN_PWM0, 1);
} else {
+ /* PWM_PWDUTY0 = intensity; */
+ gpio_set_value(EGPIO_MAGICIAN_BL_POWER, 0);
pxa_set_cken(CKEN_PWM0, 0);
}
}
@@ -130,18 +364,215 @@ static void magician_set_bl_intensity(int intensity)
static struct generic_bl_info backlight_info = {
.default_intensity = 0x64,
.limit_mask = 0x0b,
- .max_intensity = 0xc7,
+ .max_intensity = 0xc7+0x48,
.set_bl_intensity = magician_set_bl_intensity,
};
static struct platform_device backlight = {
- .name = "corgi-bl",
+ .name = "generic-bl",
.dev = {
.platform_data = &backlight_info,
},
.id = -1,
};
+/*
+ * LEDs
+ */
+
+struct gpio_led gpio_leds[] = {
+ {
+ .name = "magician::vibra",
+ .default_trigger = "none",
+ .gpio = GPIO22_MAGICIAN_VIBRA_EN,
+ },
+ {
+ .name = "magician::phone_bl",
+ .default_trigger = "none",
+ .gpio = GPIO103_MAGICIAN_LED_KP,
+ },
+};
+
+static struct gpio_led_platform_data gpio_led_info = {
+ .leds = gpio_leds,
+ .num_leds = ARRAY_SIZE(gpio_leds),
+};
+
+static struct platform_device leds_gpio = {
+ .name = "leds-gpio",
+ .id = -1,
+ .dev = {
+ .platform_data = &gpio_led_info,
+ },
+};
+
+static struct pasic3_led pasic3_leds[] = {
+ {
+ .led = {
+ .name = "magician:red",
+ .default_trigger = "ds2760-battery.0-charging",
+ },
+ .hw_num = 0,
+ .bit2 = PASIC3_BIT2_LED0,
+ .mask = PASIC3_MASK_LED0,
+ },
+ {
+ .led = {
+ .name = "magician:green",
+ .default_trigger = "ds2760-battery.0-charging-or-full",
+ },
+ .hw_num = 1,
+ .bit2 = PASIC3_BIT2_LED1,
+ .mask = PASIC3_MASK_LED1,
+ },
+ {
+ .led = {
+ .name = "magician:blue",
+ .default_trigger = "bluetooth",
+ },
+ .hw_num = 2,
+ .bit2 = PASIC3_BIT2_LED2,
+ .mask = PASIC3_MASK_LED2,
+ },
+};
+
+static struct platform_device pasic3;
+
+static struct pasic3_leds_machinfo __devinit pasic3_leds_info = {
+ .num_leds = ARRAY_SIZE(pasic3_leds),
+ .power_gpio = EGPIO_MAGICIAN_LED_POWER,
+ .leds = pasic3_leds,
+};
+
+/*
+ * PASIC3 with DS1WM
+ */
+
+static struct resource pasic3_resources[] = {
+ [0] = {
+ .start = PXA_CS2_PHYS,
+ .end = PXA_CS2_PHYS + 0x1b,
+ .flags = IORESOURCE_MEM,
+ },
+ /* No IRQ handler in the PASIC3, DS1WM needs an external IRQ */
+ [1] = {
+ .start = gpio_to_irq(GPIO107_MAGICIAN_DS1WM_IRQ),
+ .end = gpio_to_irq(GPIO107_MAGICIAN_DS1WM_IRQ),
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
+ }
+};
+
+static struct pasic3_platform_data pasic3_platform_data = {
+ .bus_shift = 2,
+ .led_pdata = &pasic3_leds_info,
+ .clock_rate = 4000000,
+};
+
+static struct platform_device pasic3 = {
+ .name = "pasic3",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(pasic3_resources),
+ .resource = pasic3_resources,
+ .dev = {
+ .platform_data = &pasic3_platform_data,
+ },
+};
+
+/*
+ * External power
+ */
+
+static int magician_is_ac_online(void)
+{
+ return gpio_get_value(EGPIO_MAGICIAN_CABLE_STATE_AC);
+}
+
+static int magician_is_usb_online(void)
+{
+ return gpio_get_value(EGPIO_MAGICIAN_CABLE_STATE_USB);
+}
+
+static void magician_set_charge(int flags)
+{
+ gpio_set_value(GPIO30_MAGICIAN_nCHARGE_EN, !flags);
+ gpio_set_value(EGPIO_MAGICIAN_CHARGE_EN, flags);
+}
+
+static char *magician_supplicants[] = {
+ "ds2760-battery.0", "backup-battery"
+};
+
+static struct pda_power_pdata power_supply_info = {
+ .is_ac_online = magician_is_ac_online,
+ .is_usb_online = magician_is_usb_online,
+ .set_charge = magician_set_charge,
+ .supplied_to = magician_supplicants,
+ .num_supplicants = ARRAY_SIZE(magician_supplicants),
+};
+
+static struct resource power_supply_resources[] = {
+ [0] = {
+ .name = "ac",
+ .flags = IORESOURCE_IRQ,
+ .start = IRQ_MAGICIAN_AC,
+ .end = IRQ_MAGICIAN_AC,
+ },
+ [1] = {
+ .name = "usb",
+ .flags = IORESOURCE_IRQ,
+ .start = IRQ_MAGICIAN_AC,
+ .end = IRQ_MAGICIAN_AC,
+ },
+};
+
+static struct platform_device power_supply = {
+ .name = "pda-power",
+ .id = -1,
+ .dev = {
+ .platform_data = &power_supply_info,
+ },
+ .resource = power_supply_resources,
+ .num_resources = ARRAY_SIZE(power_supply_resources),
+};
+
+
+/*
+ * MMC/SD
+ */
+
+static int magician_mci_init(struct device *dev,
+ irq_handler_t detect_irq, void *data)
+{
+ return request_irq(IRQ_MAGICIAN_SD, detect_irq,
+ IRQF_DISABLED | IRQF_SAMPLE_RANDOM,
+ "MMC card detect", data);
+}
+
+static void magician_mci_setpower(struct device *dev, unsigned int vdd)
+{
+ struct pxamci_platform_data *pdata = dev->platform_data;
+
+ gpio_set_value(EGPIO_MAGICIAN_SD_POWER, (1 << vdd) & pdata->ocr_mask);
+}
+
+static int magician_mci_get_ro(struct device *dev)
+{
+ return (!gpio_get_value(EGPIO_MAGICIAN_nSD_READONLY));
+}
+
+static void magician_mci_exit(struct device *dev, void *data)
+{
+ free_irq(IRQ_MAGICIAN_SD, data);
+}
+
+static struct pxamci_platform_data magician_mci_info = {
+ .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
+ .init = magician_mci_init,
+ .get_ro = magician_mci_get_ro,
+ .setpower = magician_mci_setpower,
+ .exit = magician_mci_exit,
+};
+
/*
* USB OHCI
@@ -166,6 +597,11 @@ static struct pxaohci_platform_data magician_ohci_info = {
* StrataFlash
*/
+static void magician_set_vpp(struct map_info *map, int vpp)
+{
+ gpio_set_value(EGPIO_MAGICIAN_FLASH_VPP, vpp);
+}
+
#define PXA_CS_SIZE 0x04000000
static struct resource strataflash_resource = {
@@ -176,13 +612,14 @@ static struct resource strataflash_resource = {
static struct physmap_flash_data strataflash_data = {
.width = 4,
+ .set_vpp = magician_set_vpp,
};
static struct platform_device strataflash = {
.name = "physmap-flash",
.id = -1,
- .num_resources = 1,
.resource = &strataflash_resource,
+ .num_resources = 1,
.dev = {
.platform_data = &strataflash_data,
},
@@ -194,16 +631,43 @@ static struct platform_device strataflash = {
static struct platform_device *devices[] __initdata = {
&gpio_keys,
+ &egpio,
&backlight,
+ &pasic3,
+ &power_supply,
&strataflash,
+ &leds_gpio,
};
static void __init magician_init(void)
{
+ void __iomem *cpld;
+ int lcd_select;
+
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(magician_pin_config));
+
platform_add_devices(devices, ARRAY_SIZE(devices));
+ pxa_set_i2c_info(NULL);
+ pxa_set_mci_info(&magician_mci_info);
pxa_set_ohci_info(&magician_ohci_info);
pxa_set_ficp_info(&magician_ficp_info);
- set_pxa_fb_info(&toppoly_info);
+
+ /* Check LCD type we have */
+ cpld = ioremap_nocache(PXA_CS3_PHYS, 0x1000);
+ if (cpld) {
+ u8 board_id = __raw_readb(cpld+0x14);
+ system_rev = board_id & 0x7;
+ lcd_select = board_id & 0x8;
+ iounmap(cpld);
+ pr_info("LCD type: %s\n", lcd_select ? "Samsung" : "Toppoly");
+ if (lcd_select && (system_rev < 3))
+ pxa_gpio_mode(GPIO75_MAGICIAN_SAMSUNG_POWER_MD);
+ pxa_gpio_mode(GPIO104_MAGICIAN_LCD_POWER_1_MD);
+ pxa_gpio_mode(GPIO105_MAGICIAN_LCD_POWER_2_MD);
+ pxa_gpio_mode(GPIO106_MAGICIAN_LCD_POWER_3_MD);
+ set_pxa_fb_info(lcd_select ? &samsung_info : &toppoly_info);
+ } else
+ pr_err("LCD detection: CPLD mapping failed\n");
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.